Dongguan Hongsheng Metal & Plastic Technology Co,. Ltd

The overmolding injection molding process is a manufacturing process that involves the injection molding of one material over another. It is a versatile process used to combine two or more materials, add functionality to a component, or create a single integrated component with multiple materials and functionality.

 

 

Design and Tooling: The first step in the injection overmolding process is the design and development of the mold and tooling. This involves creating a detailed design of the component and selecting the appropriate material and process parameters. The mold and tooling are then manufactured to produce the desired component.
Setup: Once the mold and tooling are complete, the injection molding machine is ready for the overmolding process. This involves installing the mold in the machine, setting the process parameters, and ensuring that all necessary materials and equipment are in place.
Preforming: In some cases, a preforming process may be required before the overmolding process begins. This may involve injection molding of separate components or inserting a preformed component into the mold.
Injection: The overmolding process begins with the injection of the first material into the mold. The material is heated and pressurized as it is injected into the mold, filling the cavity and taking the shape of the component.
Overmolding: Once the first material is injected and cooled to a certain point, the second material is injected over the first. The second material is usually injected at a lower temperature and pressure to avoid damaging the first material.
Cooling and Ejection: Once the overmolding process is complete, the mold is allowed to cool and the component is ejected from the mold. The component is then inspected and finished as needed.

 

The injection overmolding process is an efficient and cost-effective method of producing complex, functional parts using multiple materials.

 

Here is a template of Design For manufacturability Analysis (DFMA)that our engineering team will create before mold design and processing,making sure everything meets customer's expectation and applicable for mass manufacturing.
 

 

Company profile

 

HongSheng designs and makes molds for plastic injection molding with 22 sets of injection molding machines from 80T-530T to various kinds of plastic injection production.

 

√ Mold Custom

√ Injection molding

Injection Molding Workshop

EDM CNC processing Center

Tooling construction

 

Application

 

aerospace

Automotive

electronic

Medical

public device

 

EDM

CNC processing

Mold Fitting

 

http://www.hongshengmold.com/